Dust-removing device for granite-surfacing machines



C. S. ALFORD AND U. LOMBARD DUST REMOVING DEVICE FOR GRANITE S'URFACINGMACHINES.

Arrucmou FILED nov. 22, 1919. 1,333,597.?

'2 SHEETS-SHEET I- Pate nted Mar.16,1920.

:4 1/ 27 /7 f o a v /'n. II "In [I I J I 4 o o 5' 13 I m u I 3mm:

Lamlafdv c. s. ALFORD AND 0. LOMBARD. I DUST'REMOVING DEVICE FOR GRANITESURFACING MACHINES.

APPLICATIQN FILED NOV- 22. I919.

Patented Mar. 16, 1920.

2 SHEI ZTS SHEET 2.

D ,3 L a 2 1H u n d 7 w 3 W i 0. Lomla V A pp1ic ation filed November22; 1919. Serial No. 340,049.

' CHARLES S. ALFORD AND ORLANDO LOMBARD, OF WAUSAU, WISCONSIIiTnusr-immovme-nnvrcn FOR enamrn-suaracme mncnmns.

To] all wit m may-concern:

. Be itiknownthat waicmms s. mm and QRLA DO Lo nnanmcitizens of theUnited 'States residing at ;;Wausau,in the county of Marathon and Stateof .Wisconsin, have in vented certain new and useful Improve- 1nents'.-

Dust-Removing Devices for Gran iteSurfacing" Machines, of which thefollowing is a" specification, reference being had to, the accompanying;drawings. v

1 This invention relates to certain improveinents in dustremovingdevices for ranite surfac1ng machines, and it is an ob e'ct of theinvention to provide a machine ofthis general character with novel andimproved means whereby dust is effectively removed from the pointwherethe dust originates. It is-also an ob'ect oftheinve'ntion toprovide a machine 6 this general character with novel and improved meansfor removing the dust, and which mean s' are so constructed and arrangedto offer ;no obstruction; or

1 hindrance to the operation of the machine proper. i 25 A'still furtherobject of the invention'is jto provide,'in connection with a granitesurfacin' machine movable around a' vertical axis, a novel and improveddust removing mechanism whichoflers no interference with thedesiredmovement of the Working tool, and wherein twisting for; klnkingis pre- :ented of the, partscomprisedin the dust removing means. H

Furthermore 1t 15 an ob]ect of the invention to provide a novelandimproved dust removing means embodying a conduit through whichthedust is drawn together with means for supporting the receiving end ofthe conduit in .a. manner whereby the same may be properly positioned Iwith respect to the cutting tool. I

' Another object, of the invention is to provide a novel and improveddust removing device which can be used in connection with any granitesurfacing machine embodying a ho 1 J a ow standard. I The inventionconsists 'in the details of a construction and in the combination andarrangement of the several parts of my improved dust 'removingdevice forgranite surfacing machines whereby certain 1mportant advantages areattained and the de- 1 Specification of Letters Patent.

companyingdrawings, wherein: I Figure 1 1s a VIGW 1I1 side elevation of,a

Patented Mar. 16,1920.

dust removing device forgr'anite surfacing machines constructed inaccordancewith an embodiment of our invention," F ig. 2fis an enlargedfragmentary view partly in section and artly in elevation of thestandard," asherein included, together with theparts concomitantthereto, and,

'Fig. 3 IS an enlarged fragmentary view, partly in section and partly inelevation illustrating in detail the mechanismfor' adjust-ablysupporting the suction or receiving end of the hose,asl1erein set forth.I

As' disclosed in the accompanying drawings, S denotes a supportingmember, preferably a portable truck which is provided with an upstandingtubular standard-1. The lower end portion of the standard, as indicatedat 2, 'is adapted for communication with a. suction fan'or the like. I

Slidably mounted "upon the standard and spaced apart longitudinallythereof are the sleeves 3, having secured thereto at opposite sides ofthe standard the supporting structure 5 for the horizontally disposedcarrying member 6. The structure 5 is of a type now in use, and whichsupports the frame 6 in a manner whereby the tool T carried by one endof the frame may be moved horizontally in a direction toward or from thestandard 1. Fixed to andsurrounding the upper end portion of thestandard 1. is a collar 7, upon which rests a collar 8, In-

terpo'sed between the collars Y-and 8 are. the

anti-friction members 9, preferably ,ball bearing. At substantiallydiametrically'opposed points the collar 8 rotatably supports the pulleys10. The tool T is prefemblyof a pneumatic type, and the hose 11therefor, leading. from the desired source of air under pressure,passesover' and 1s supported by one of the pulleys 10.

Disposed over the second pulley is a flexible member 12, having one endportion suitably secured to the structure 5, and having its opposite endportion engaged with the winding drum 4 supported by the structure 5.The drum 4 may be rotated in any desired manner, and operates tovertically move or adjust the frame 5, as the occasions the elongatedtubular member 14 is formed into agoose neck 15, and secured'to'andextending around the member 14 adjacent the move in unison with and inthe samejgen-.v

inner end portion of the goose neck 15 is a collar 16. The collar 16coacts with a collar. '17 surrounding the member 14, and secured to theupper end portions of the elongated members or strips 18, arranged atopposite sides of the standard 1 and secured, as at 19, to the sleeves3, so that the member 14 will eral direction as the carrying member orframe 6 when the same is raised or lowered.

' Interposed between the collars 16 and 17 are the anti-friction members20, preferably ball bearing, 'so that the member 14 may rotate with aminimum of frictional resistance when the member or frame 6 is swungaround the standard 1, and which swinging movement is permitted by thesleeves 3.

21 denotes a nipple in swivel engagement with the outer end portion. ofthe goose neck 15, and with which is engaged an endportion of a flexiblehose 22. The hose 22 is of a length to extend to a point' in closeproximit to the working end of the tool T, so that t e suction throughthe standard 1,

- the member 14 and the hose 22 will remove the dust at the point wheresaid dust originates. v The receiving end of the hose 22 is engagedwithin a clamp 23, and which clamp is mounted for vertical adjustmentor. in a direction toward or from the work in ac cordance with therequirements of practice. As herein disclosed the desired movement oradjustment of the clamp 23 is obtained through the medium of a shank 24,threaded through the plates 25, and having one end portion in swivelengagement, as at 26, with a portion 27.0f a member of the clampunderlying said plates.

The member or frame F comprises two transversely spaced beams.arrangedin parallelism, and the plates 25 are clamped to the upper andlower edges of said beams through the medium of the holding bolts 28.The portion 27 of the clamp is providedwith the upstanding elongatedrods or pins 29 are top thereof is an elongated ranged at opposite sidesof the shank 24, and which aims or rods 29 are slidably disposed throughthe plates 25. I The pins or rods 29 coact with the plates 25,to holdthe portion 27 of the clamp against rotary or swinging movement.

In practice 14 therethrough will be materially facilitated.

'From the foregoing description it is device .for granitesurfacing'machines constructed in accordance with our invention isparticularly well adapted for use by reason of the convenience andfacility w ith which it may be assembled and operated, and it will alsobe obvious that ourinvention is susceptible of some "change andmodification without departing'from the principles and spirit thereof,and for this reason 'wedo not I it has been found of special. advantageto have thecollar 80f a material length so that the movement of themember thought to be obvious that a dust removing wish. to be'understoodas'limiting'ourselves to the precise arrangement and formation of v theseveral parts herein shown in carrying out our invention in practiceexcept" as here inafter claimed.

1. stone dressing machine comprising, in combination, a tubular standardadapted for connection with suction means, a su porting structureslidably mounted on t e standard, an operating tool carried by thestructure, a collar supported by the structure abovethe standard,atubular member extending within. the standard and having movementlongitudinally thereof, a collar carriedjby said member and imposed uponthe first-named coll'ar,whereby said tubularmember is supported forrotary movement, and a hose leading from said tubular member to avlpointin close proximity to the tool.

2. A stone dressing machine comprising,

in combination, a supporting structure, an

operating tool carried thereby, flexible pipe adapted for connectionwith the suction meansIand leading to a' point in close proximity tothetool, a holding member 'co acting with the receiving end of" the pipeand an endwise movablemember carried by the supportlng structure andcoactin'gfwith the clamp for adjusting the receiving end of the pipetoward or from the Work.

3. A stone dressing machine comprising, in combination, a supporting,structure,an operating tool carried thereby, a plate held to thesupporting structure, a'shank threaded through said p ate, aclamp jin'swivel engagement withthe shank, and a flexiblep'ipe adapted forconnection with suction means, the receiving end portion of the pipebeing held by the clamp at a point: in proximity to thetool. w,

4. Astone dressing machine comprising,

in combination, a supporting structure, an to the tool, and meanscarried by the clamp operating tool carried thereby, a plate held andcoac'ting with the plate for holding the 10 to the supportingstructure,ashank threaded clamp against swinging movement with rethroughsaid plate, a clamp in swivel enspect to the shank.

gagement with the shank, a flexible pipe In testimony whereof Wehereunto aflix adapted for connection with suction means, oursignatures.

the receiving end portion of the pipebeing CHARLES S. ALFORD. held bythe clamp ata point in'proximity ORLANDO LOMBARD.

